Duo Vital ???c s?n xu?t b?ng công ngh? cao ch?a two thành ph?n dinh d??ng thi?t y?u cho s?n kh?p là axit hyaluronic và chondroitin c?i thi?n ch?c n?ng kh?p, giúp t?ng ?? nh?n bôi tr?n s?n kh?p, b? sung ?? ?m cho các kh?p x??ng.Your question is been given and will be answered shortly. Please usually do not submit the same query yet again.D? r